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ui_internal_test.go
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ui_internal_test.go
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package glass
import (
"encoding/json"
"errors"
"io"
"strings"
"testing"
"github.com/hamba/logger/v2"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
"github.com/zserge/lorca"
)
func TestNewUI(t *testing.T) {
log := logger.New(io.Discard, logger.LogfmtFormat(), logger.Error)
cfg := UIConfig{
Width: 1024,
Height: 764,
Fullscreen: true,
CustomCSS: []string{
"testdata/custom.css",
},
}
ui := &MockLorcaUI{}
ui.On("Eval", mock.MatchedBy(func(js string) bool {
return strings.HasPrefix(js, "loadCSS(`fonts`")
})).Once().Return(NewValue("", nil))
ui.On("Eval", "loadCSS(`customCSS1`, `custom css`);").Once().Return(NewValue("", nil))
ui.On("Bind", mock.AnythingOfType("string"), mock.Anything).Return(nil)
oldNewFunc := newFunc
t.Cleanup(func() {
newFunc = oldNewFunc
})
newFunc = func(url, dir string, width, height int, customArgs ...string) (lorca.UI, error) {
assert.Equal(t, 1024, width)
assert.Equal(t, 764, height)
assert.Equal(t, 1024, width)
assert.Contains(t, customArgs, "--start-fullscreen")
return ui, nil
}
got, err := NewUI(cfg, log)
require.NoError(t, err)
assert.IsType(t, (*UI)(nil), got)
ui.AssertExpectations(t)
}
func TestNewUI_HandlesWindowError(t *testing.T) {
log := logger.New(io.Discard, logger.LogfmtFormat(), logger.Error)
cfg := UIConfig{
Width: 1024,
Height: 764,
}
oldNewFunc := newFunc
t.Cleanup(func() {
newFunc = oldNewFunc
})
newFunc = func(url, dir string, width, height int, customArgs ...string) (lorca.UI, error) {
return nil, errors.New("test error")
}
_, err := NewUI(cfg, log)
assert.Error(t, err)
assert.EqualError(t, err, "could not create window: test error")
}
func TestUI_Done(t *testing.T) {
ch := make(chan struct{})
t.Cleanup(func() {
close(ch)
})
win := &MockLorcaUI{}
win.On("Done").Return(ch)
ui := &UI{win: win}
got := ui.Done()
if ch != got {
assert.Fail(t, "incorrect channel")
return
}
win.AssertExpectations(t)
}
func TestUI_Close(t *testing.T) {
win := &MockLorcaUI{}
win.On("Close").Return(nil)
ui := &UI{win: win}
err := ui.Close()
assert.NoError(t, err)
win.AssertExpectations(t)
}
type MockLorcaUI struct {
mock.Mock
}
func (m *MockLorcaUI) Load(url string) error {
args := m.Called(url)
return args.Error(0)
}
func (m *MockLorcaUI) Bounds() (lorca.Bounds, error) {
args := m.Called()
return args.Get(0).(lorca.Bounds), args.Error(1)
}
func (m *MockLorcaUI) SetBounds(bounds lorca.Bounds) error {
args := m.Called(bounds)
return args.Error(0)
}
func (m *MockLorcaUI) Bind(name string, f any) error {
args := m.Called(name, f)
return args.Error(0)
}
func (m *MockLorcaUI) Eval(js string) lorca.Value {
args := m.Called(js)
return args.Get(0).(lorca.Value)
}
func (m *MockLorcaUI) Done() <-chan struct{} {
args := m.Called()
return args.Get(0).(chan struct{})
}
func (m *MockLorcaUI) Close() error {
args := m.Called()
return args.Error(0)
}
type Value struct {
err error
raw json.RawMessage
}
func NewValue(val string, err error) Value {
v := json.RawMessage{}
if val != "" {
v = json.RawMessage(val)
}
return Value{
raw: v,
err: err,
}
}
func (v Value) Err() error { return v.err }
func (v Value) To(x any) error { return json.Unmarshal(v.raw, x) }
func (v Value) Float() (f float32) { v.To(&f); return f }
func (v Value) Int() (i int) { v.To(&i); return i }
func (v Value) String() (s string) { v.To(&s); return s }
func (v Value) Bool() (b bool) { v.To(&b); return b }
func (v Value) Bytes() []byte { return v.raw }
func (v Value) Array() (values []lorca.Value) {
array := []json.RawMessage{}
_ = v.To(&array)
for _, el := range array {
values = append(values, Value{raw: el})
}
return values
}
func (v Value) Object() (object map[string]lorca.Value) {
object = map[string]lorca.Value{}
kv := map[string]json.RawMessage{}
_ = v.To(&kv)
for k, v := range kv {
object[k] = Value{raw: v}
}
return object
}